Home / 1,086,386,750.52-1,629,564,159.06-268,499,121.72

Finding the Fourth Proportional to 1,086,386,750.52, 1,629,564,159.06 and 268,499,121.72

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Solution

The fourth proportional to 1,086,386,750.52, 1,629,564,159.06 and 268,499,121.72 is: 402,744,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,386,750.52 : 1,629,564,159.06 = 268,499,121.72 : x
  2. Step 2: Convert to fraction form
    1,086,386,750.52/1,629,564,159.06 = 268,499,121.72/x
  3. Step 3: Cross multiply
    1,086,386,750.52x = 1,629,564,159.06 × 268,499,121.72
  4. Step 4: Simplify right side
    1,086,386,750.52x = 437,536,545,494,000,384
  5. Step 5: Solve for x
    x = 437,536,545,494,000,384/1,086,386,750.52
  6. Step 6: Final answer
    x = 402,744,736.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.